A plane electromagnetic wave, with wavelength 4.0 m, travels in vacuum in the positive direction of an x axis. The electric field, of amplitude 330 V/m, oscillates parallel to the y axis. What are the (a) frequency, (b) angular frequency, and (c) angular wave number of the wave? (d) What is the amplitude of the magnetic field component? (e) Parallel to which axis does the magnetic field oscillate? (f) What is the time-averaged rate of energy flow associated with this wave? The wave uniformly illuminates a surface of area 1.8 m². If the surface totally absorbs the wave, what are (g) the rate at which momentum is transferred to the surface and (h) the radiation pressure?

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A plane electromagnetic wave, with wavelength 4.0 m, travels in vacuum in the positive direction of an x axis. The electric field, of
amplitude 330 v/m, oscillates parallel to the y axis. What are the (a) frequency, (b) angular frequency, and (c) angular wave number of
the wave? (d) What is the amplitude of the magnetic field component? (e) Parallel to which axis does the magnetic field oscillate? (f)
What is the time-averaged rate of energy flow associated with this wave? The wave uniformly illuminates a surface of area 1.8 m². If
the surface totally absorbs the wave, what are (g) the rate at which momentum is transferred to the surface and (h) the radiation
pressure?
(a) Number 7.5e7
(b) Number 4.7e8
(c) Number 1.5
(d) Number i 1.1
(e)
Z
(f) Number i
14
(g) Number i 8.6e-6
(h) Number 4.8e-7
Units
Units
Hz
rad/s
Units rad/m or m^-1
Units T
Units W/m^2
Units
Units N
This answer has no units
Transcribed Image Text:A plane electromagnetic wave, with wavelength 4.0 m, travels in vacuum in the positive direction of an x axis. The electric field, of amplitude 330 v/m, oscillates parallel to the y axis. What are the (a) frequency, (b) angular frequency, and (c) angular wave number of the wave? (d) What is the amplitude of the magnetic field component? (e) Parallel to which axis does the magnetic field oscillate? (f) What is the time-averaged rate of energy flow associated with this wave? The wave uniformly illuminates a surface of area 1.8 m². If the surface totally absorbs the wave, what are (g) the rate at which momentum is transferred to the surface and (h) the radiation pressure? (a) Number 7.5e7 (b) Number 4.7e8 (c) Number 1.5 (d) Number i 1.1 (e) Z (f) Number i 14 (g) Number i 8.6e-6 (h) Number 4.8e-7 Units Units Hz rad/s Units rad/m or m^-1 Units T Units W/m^2 Units Units N This answer has no units
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